Update to latest version of pake
Guess paths to Windows binaries using environment variables
Use ifind rather than glob to work around Windows path separator nonsense
Set path to gjslint on Windows
Add build.cmd for Windows developers
Update build instructions for Windows
Run tests on Windows
Merge pull request #191 from twpayne/windows-build

Windows build
Change view.rotate params: rotation delta and optional anchor.

Same as view.zoom, the anchor is not supported yet.